@article{78277,
      recid = {78277},
      author = {Baer, Paul N. and Benjamin, Sheldon D.,},
      title = {Periodontal disease in children and adolescents},
      publisher = {Lippincott},
      address = {Philadelphia,},
      pages = {xvi, 319 p.},
      year = {1974},
      url = {http://library.usi.edu/record/78277},
}